| Cities | Distance |
|---|---|
| Oleggio to Navodari | 978.26 mi (1,574.35 km) |
| Oleggio to Negresti-Oas | 716.55 mi (1,153.18 km) |
| Oleggio to Nehoiu | 854.60 mi (1,375.34 km) |
| Oleggio to Ocna Mures | 731.79 mi (1,177.70 km) |
| Oleggio to Odobesti | 887.88 mi (1,428.91 km) |
| Oleggio to Odorheiu Secuiesc | 800.68 mi (1,288.57 km) |
| Oleggio to Oltenita | 886.26 mi (1,426.29 km) |
| Oleggio to Onesti | 870.85 mi (1,401.50 km) |
| Oleggio to Oradea | 641.18 mi (1,031.88 km) |
| Oleggio to Orastie | 701.85 mi (1,129.52 km) |
| Oleggio to Oravita | 634.57 mi (1,021.25 km) |
| Oleggio to Orsova | 672.37 mi (1,082.08 km) |
| Oleggio to Otelu Rosu | 662.92 mi (1,066.87 km) |
| Oleggio to Otopeni | 852.17 mi (1,371.44 km) |
| Oleggio to Ovidiu | 976.43 mi (1,571.42 km) |